CVE-2012-6442

Rockwell Automation ControlLogix PLC Improper Access Control

HIGH
7.5
CVSS Score
Published: January 24, 2013 at 09:00 PM UTC
Updated: June 16, 2026 at 11:48 PM UTC
33 products affected across 1 vendorSoftlogix FirmwareCompactlogix Controllers FirmwareSoftlogix Controllers Firmware

Using 1756-ENBT, 1756-EWEB, 1768-ENBT, 1768-EWEB communication modules by Rockwell Automation?

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Severity
HIGH7.5
Exploit prediction
EPSS 36%
SSVC
No known exploit

Description

When an affected product receives a valid CIP message from an unauthorized or unintended source to Port 2222/TCP, Port 2222/UDP, Port 44818/TCP, or Port 44818/UDP that instructs the product to reset, a DoS can occur. This situation could cause loss of availability and a disruption of communication with other connected devices. Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

rockwellautomation-l32e (environment) · rockwellautomation-l35e (environment)
All versions
rockwellautomation-1756-enbt (environment) · rockwellautomation-1756-eweb (environment) · rockwellautomation-1768-enbt (environment) · rockwellautomation-1768-eweb (environment)
All versions
rockwellautomation-1794-aentr (environment)
All versions
rockwellautomation-1788-enbt (environment)
All versions
rockwellautomation-1100 (environment) · rockwellautomation-1400 (environment)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-284CWE-119

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